text: //
  //  UIDevice+CHTAdd.h
  //  UIDevice
  //
  //  Created by Roy on 2018/9/27.
  //  Copyright © 2018 Roy. All rights reserved.
  //
  
  
  
  NS_ASSUME_NONNULL_BEGIN
  
  @interface UIDevice (CHTAdd)
  
  // https://www.theiphonewiki.com/wiki/Models
  @property (nullable, nonatomic, readonly) NSString *aps_machineModelName;
  
  @end
  
  NS_ASSUME_NONNULL_END
  